[Cooperatives and economic efficiency. A discussion at the light of the theory of the firm [Italy]]

capital formation capitale commercializzazione cooperativa cooperativas de productores cooperative di produttori cooperative marketing costi costos costs efficiency efficienza eficacia formation de capital formazione del capitale gestion gestione italia italie italy legislation legislazione management pianificazione planification planning producer cooperatives profitability rentabilidad secteur agroindustriel sector agroindustrial settore agroindustriale